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-rw-r--r--cgit.c6
-rw-r--r--cgit.css10
-rw-r--r--cgit.h1
-rw-r--r--cgitrc.5.txt2
-rw-r--r--cmd.c46
-rw-r--r--cmd.h3
-rw-r--r--shared.c1
-rw-r--r--ui-commit.c20
-rw-r--r--ui-commit.h2
-rw-r--r--ui-diff.c8
-rw-r--r--ui-log.c27
-rw-r--r--ui-patch.c6
-rw-r--r--ui-patch.h2
-rw-r--r--ui-refs.c2
-rw-r--r--ui-shared.c216
-rw-r--r--ui-shared.h72
-rw-r--r--ui-tree.c15
17 files changed, 275 insertions, 164 deletions
diff --git a/cgit.c b/cgit.c
index 38bc136..d4fcfa7 100644
--- a/cgit.c
+++ b/cgit.c
@@ -433,6 +433,12 @@ static void process_request(void *cbdata)
 		return;
 	}
 
+	/* If cmd->want_vpath is set, assume ctx->qry.path contains a "virtual"
+	 * in-project path limit to be made available at ctx->qry.vpath.
+	 * Otherwise, no path limit is in effect (ctx->qry.vpath = NULL).
+	 */
+	ctx->qry.vpath = cmd->want_vpath ? ctx->qry.path : NULL;
+
 	if (cmd->want_repo && !ctx->repo) {
 		cgit_print_http_headers(ctx);
 		cgit_print_docstart(ctx);
diff --git a/cgit.css b/cgit.css
index 6198403..6e47eb3 100644
--- a/cgit.css
+++ b/cgit.css
@@ -64,7 +64,7 @@ table#header td.sub {
 }
 
 table.tabs {
-	/* border-bottom: solid 2px #ccc; */
+	border-bottom: solid 3px #ccc;
 	border-collapse: collapse;
 	margin-top: 2em;
 	margin-bottom: 0px;
@@ -102,10 +102,16 @@ table.tabs td.form select {
 	font-size: 90%;
 }
 
+div.path {
+	margin: 0px;
+	padding: 5px 2em 2px 2em;
+	color: #000;
+	background-color: #eee;
+}
+
 div.content {
 	margin: 0px;
 	padding: 2em;
-	border-top: solid 3px #ccc;
 	border-bottom: solid 3px #ccc;
 }
 
diff --git a/cgit.h b/cgit.h
index 8884f9e..80c3902 100644
--- a/cgit.h
+++ b/cgit.h
@@ -147,6 +147,7 @@ struct cgit_query {
 	int showmsg;
 	int ssdiff;
 	int show_all;
+	char *vpath;
 };
 
 struct cgit_config {
diff --git a/cgitrc.5.txt b/cgitrc.5.txt
index 5c24381..a853522 100644
--- a/cgitrc.5.txt
+++ b/cgitrc.5.txt
@@ -444,7 +444,7 @@ snapshots=tar.gz tar.bz2 zip
 ## List of common mimetypes
 ##
 
-mimetype.git=image/git
+mimetype.gif=image/gif
 mimetype.html=text/html
 mimetype.jpg=image/jpeg
 mimetype.jpeg=image/jpeg
diff --git a/cmd.c b/cmd.c
index ad784fc..6dc9f5e 100644
--- a/cmd.c
+++ b/cmd.c
@@ -51,7 +51,7 @@ static void blob_fn(struct cgit_context *ctx)
 
 static void commit_fn(struct cgit_context *ctx)
 {
-	cgit_print_commit(ctx->qry.sha1);
+	cgit_print_commit(ctx->qry.sha1, ctx->qry.path);
 }
 
 static void diff_fn(struct cgit_context *ctx)
@@ -90,7 +90,7 @@ static void repolist_fn(struct cgit_context *ctx)
 
 static void patch_fn(struct cgit_context *ctx)
 {
-	cgit_print_patch(ctx->qry.sha1);
+	cgit_print_patch(ctx->qry.sha1, ctx->qry.path);
 }
 
 static void plain_fn(struct cgit_context *ctx)
@@ -129,31 +129,31 @@ static void tree_fn(struct cgit_context *ctx)
 	cgit_print_tree(ctx->qry.sha1, ctx->qry.path);
 }
 
-#define def_cmd(name, want_repo, want_layout) \
-	{#name, name##_fn, want_repo, want_layout}
+#define def_cmd(name, want_repo, want_layout, want_vpath) \
+	{#name, name##_fn, want_repo, want_layout, want_vpath}
 
 struct cgit_cmd *cgit_get_cmd(struct cgit_context *ctx)
 {
 	static struct cgit_cmd cmds[] = {
-		def_cmd(HEAD, 1, 0),
-		def_cmd(atom, 1, 0),
-		def_cmd(about, 0, 1),
-		def_cmd(blob, 1, 0),
-		def_cmd(commit, 1, 1),
-		def_cmd(diff, 1, 1),
-		def_cmd(info, 1, 0),
-		def_cmd(log, 1, 1),
-		def_cmd(ls_cache, 0, 0),
-		def_cmd(objects, 1, 0),
-		def_cmd(patch, 1, 0),
-		def_cmd(plain, 1, 0),
-		def_cmd(refs, 1, 1),
-		def_cmd(repolist, 0, 0),
-		def_cmd(snapshot, 1, 0),
-		def_cmd(stats, 1, 1),
-		def_cmd(summary, 1, 1),
-		def_cmd(tag, 1, 1),
-		def_cmd(tree, 1, 1),
+		def_cmd(HEAD, 1, 0, 0),
+		def_cmd(atom, 1, 0, 0),
+		def_cmd(about, 0, 1, 0),
+		def_cmd(blob, 1, 0, 0),
+		def_cmd(commit, 1, 1, 1),
+		def_cmd(diff, 1, 1, 1),
+		def_cmd(info, 1, 0, 0),
+		def_cmd(log, 1, 1, 1),
+		def_cmd(ls_cache, 0, 0, 0),
+		def_cmd(objects, 1, 0, 0),
+		def_cmd(patch, 1, 0, 1),
+		def_cmd(plain, 1, 0, 0),
+		def_cmd(refs, 1, 1, 0),
+		def_cmd(repolist, 0, 0, 0),
+		def_cmd(snapshot, 1, 0, 0),
+		def_cmd(stats, 1, 1, 1),
+		def_cmd(summary, 1, 1, 0),
+		def_cmd(tag, 1, 1, 0),
+		def_cmd(tree, 1, 1, 1),
 	};
 	int i;
 
diff --git a/cmd.h b/cmd.h
index ec9e691..8dc01bd 100644
--- a/cmd.h
+++ b/cmd.h
@@ -7,7 +7,8 @@ struct cgit_cmd {
 	const char *name;
 	cgit_cmd_fn fn;
 	unsigned int want_repo:1,
-		want_layout:1;
+		want_layout:1,
+		want_vpath:1;
 };
 
 extern struct cgit_cmd *cgit_get_cmd(struct cgit_context *ctx);
diff --git a/shared.c b/shared.c
index 8b3a045..58837dc 100644
--- a/shared.c
+++ b/shared.c
@@ -10,7 +10,6 @@
 
 struct cgit_repolist cgit_repolist;
 struct cgit_context ctx;
-int cgit_cmd;
 
 int chk_zero(int result, char *msg)
 {
diff --git a/ui-commit.c b/ui-commit.c
index 41313b9..a11bc5f 100644
--- a/ui-commit.c
+++ b/ui-commit.c
@@ -12,7 +12,7 @@
 #include "ui-diff.h"
 #include "ui-log.h"
 
-void cgit_print_commit(char *hex)
+void cgit_print_commit(char *hex, const char *prefix)
 {
 	struct commit *commit, *parent;
 	struct commitinfo *info, *parent_info;
@@ -58,19 +58,23 @@ void cgit_print_commit(char *hex)
 	html("</td></tr>\n");
 	html("<tr><th>commit</th><td colspan='2' class='sha1'>");
 	tmp = sha1_to_hex(commit->object.sha1);
-	cgit_commit_link(tmp, NULL, NULL, ctx.qry.head, tmp, 0);
+	cgit_commit_link(tmp, NULL, NULL, ctx.qry.head, tmp, prefix, 0);
 	html(" (");
-	cgit_patch_link("patch", NULL, NULL, NULL, tmp);
+	cgit_patch_link("patch", NULL, NULL, NULL, tmp, prefix);
 	html(") (");
 	if ((ctx.qry.ssdiff && !ctx.cfg.ssdiff) || (!ctx.qry.ssdiff && ctx.cfg.ssdiff))
-		cgit_commit_link("unidiff", NULL, NULL, ctx.qry.head, tmp, 1);
+		cgit_commit_link("unidiff", NULL, NULL, ctx.qry.head, tmp, prefix, 1);
 	else
-		cgit_commit_link("side-by-side diff", NULL, NULL, ctx.qry.head, tmp, 1);
+		cgit_commit_link("side-by-side diff", NULL, NULL, ctx.qry.head, tmp, prefix, 1);
 	html(")</td></tr>\n");
 	html("<tr><th>tree</th><td colspan='2' class='sha1'>");
 	tmp = xstrdup(hex);
 	cgit_tree_link(sha1_to_hex(commit->tree->object.sha1), NULL, NULL,
 		       ctx.qry.head, tmp, NULL);
+	if (prefix) {
+		html(" /");
+		cgit_tree_link(prefix, NULL, NULL, ctx.qry.head, tmp, prefix);
+	}
 	html("</td></tr>\n");
       	for (p = commit->parents; p ; p = p->next) {
 		parent = lookup_commit_reference(p->item->object.sha1);
@@ -87,10 +91,10 @@ void cgit_print_commit(char *hex)
 			parent_info = cgit_parse_commit(parent);
 			tmp2 = parent_info->subject;
 		}
-		cgit_commit_link(tmp2, NULL, NULL, ctx.qry.head, tmp, 0);
+		cgit_commit_link(tmp2, NULL, NULL, ctx.qry.head, tmp, prefix, 0);
 		html(" (");
 		cgit_diff_link("diff", NULL, NULL, ctx.qry.head, hex,
-			       sha1_to_hex(p->item->object.sha1), NULL, 0);
+			       sha1_to_hex(p->item->object.sha1), prefix, 0);
 		html(")</td></tr>");
 		parents++;
 	}
@@ -121,7 +125,7 @@ void cgit_print_commit(char *hex)
 			tmp = sha1_to_hex(commit->parents->item->object.sha1);
 		else
 			tmp = NULL;
-		cgit_print_diff(ctx.qry.sha1, tmp, NULL);
+		cgit_print_diff(ctx.qry.sha1, tmp, prefix);
 	}
 	cgit_free_commitinfo(info);
 }
diff --git a/ui-commit.h b/ui-commit.h
index 40bcb31..8198b4b 100644
--- a/ui-commit.h
+++ b/ui-commit.h
@@ -1,6 +1,6 @@
 #ifndef UI_COMMIT_H
 #define UI_COMMIT_H
 
-extern void cgit_print_commit(char *hex);
+extern void cgit_print_commit(char *hex, const char *prefix);
 
 #endif /* UI_COMMIT_H */
diff --git a/ui-diff.c b/ui-diff.c
index a92a768..fb836df 100644
--- a/ui-diff.c
+++ b/ui-diff.c
@@ -154,17 +154,19 @@ static void inspect_filepair(struct diff_filepair *pair)
 }
 
 void cgit_print_diffstat(const unsigned char *old_sha1,
-			 const unsigned char *new_sha1)
+			 const unsigned char *new_sha1, const char *prefix)
 {
 	int i;
 
 	html("<div class='diffstat-header'>");
 	cgit_diff_link("Diffstat", NULL, NULL, ctx.qry.head, ctx.qry.sha1,
 		       ctx.qry.sha2, NULL, 0);
+	if (prefix)
+		htmlf(" (limited to '%s')", prefix);
 	html("</div>");
 	html("<table summary='diffstat' class='diffstat'>");
 	max_changes = 0;
-	cgit_diff_tree(old_sha1, new_sha1, inspect_filepair, NULL);
+	cgit_diff_tree(old_sha1, new_sha1, inspect_filepair, prefix);
 	for(i = 0; i<files; i++)
 		print_fileinfo(&items[i]);
 	html("</table>");
@@ -338,7 +340,7 @@ void cgit_print_diff(const char *new_rev, const char *old_rev, const char *prefi
 		use_ssdiff = 1;
 
 	print_ssdiff_link();
-	cgit_print_diffstat(old_rev_sha1, new_rev_sha1);
+	cgit_print_diffstat(old_rev_sha1, new_rev_sha1, prefix);
 
 	if (use_ssdiff) {
 		html("<table summary='ssdiff' class='ssdiff'>");
diff --git a/ui-log.c b/ui-log.c
index 0947604..bfbe436 100644
--- a/ui-log.c
+++ b/ui-log.c
@@ -46,8 +46,9 @@ void show_commit_decorations(struct commit *commit)
 	while (deco) {
 		if (!prefixcmp(deco->name, "refs/heads/")) {
 			strncpy(buf, deco->name + 11, sizeof(buf) - 1);
-			cgit_log_link(buf, NULL, "branch-deco", buf, NULL, NULL,
-				0, NULL, NULL, ctx.qry.showmsg);
+			cgit_log_link(buf, NULL, "branch-deco", buf, NULL,
+				      ctx.qry.vpath, 0, NULL, NULL,
+				      ctx.qry.showmsg);
 		}
 		else if (!prefixcmp(deco->name, "tag: refs/tags/")) {
 			strncpy(buf, deco->name + 15, sizeof(buf) - 1);
@@ -60,13 +61,15 @@ void show_commit_decorations(struct commit *commit)
 		else if (!prefixcmp(deco->name, "refs/remotes/")) {
 			strncpy(buf, deco->name + 13, sizeof(buf) - 1);
 			cgit_log_link(buf, NULL, "remote-deco", NULL,
-				sha1_to_hex(commit->object.sha1), NULL,
-				0, NULL, NULL, ctx.qry.showmsg);
+				      sha1_to_hex(commit->object.sha1),
+				      ctx.qry.vpath, 0, NULL, NULL,
+				      ctx.qry.showmsg);
 		}
 		else {
 			strncpy(buf, deco->name, sizeof(buf) - 1);
 			cgit_commit_link(buf, NULL, "deco", ctx.qry.head,
-				sha1_to_hex(commit->object.sha1), 0);
+					 sha1_to_hex(commit->object.sha1),
+					 ctx.qry.vpath, 0);
 		}
 		deco = deco->next;
 	}
@@ -82,14 +85,14 @@ void print_commit(struct commit *commit)
 	htmlf("<tr%s><td>",
 		ctx.qry.showmsg ? " class='logheader'" : "");
 	tmp = fmt("id=%s", sha1_to_hex(commit->object.sha1));
-	tmp = cgit_pageurl(ctx.repo->url, "commit", tmp);
+	tmp = cgit_fileurl(ctx.repo->url, "commit", ctx.qry.vpath, tmp);
 	html_link_open(tmp, NULL, NULL);
 	cgit_print_age(commit->date, TM_WEEK * 2, FMT_SHORTDATE);
 	html_link_close();
 	htmlf("</td><td%s>",
 		ctx.qry.showmsg ? " class='logsubject'" : "");
 	cgit_commit_link(info->subject, NULL, NULL, ctx.qry.head,
-			 sha1_to_hex(commit->object.sha1), 0);
+			 sha1_to_hex(commit->object.sha1), ctx.qry.vpath, 0);
 	show_commit_decorations(commit);
 	html("</td><td>");
 	html_txt(info->author);
@@ -176,7 +179,7 @@ void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern
 		html(" (");
 		cgit_log_link(ctx.qry.showmsg ? "Collapse" : "Expand", NULL,
 			      NULL, ctx.qry.head, ctx.qry.sha1,
-			      ctx.qry.path, ctx.qry.ofs, ctx.qry.grep,
+			      ctx.qry.vpath, ctx.qry.ofs, ctx.qry.grep,
 			      ctx.qry.search, ctx.qry.showmsg ? 0 : 1);
 		html(")");
 	}
@@ -213,22 +216,22 @@ void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern
 		     columns);
 		if (ofs > 0) {
 			cgit_log_link("[prev]", NULL, NULL, ctx.qry.head,
-				      ctx.qry.sha1, ctx.qry.path,
+				      ctx.qry.sha1, ctx.qry.vpath,
 				      ofs - cnt, ctx.qry.grep,
 				      ctx.qry.search, ctx.qry.showmsg);
 			html("&nbsp;");
 		}
 		if ((commit = get_revision(&rev)) != NULL) {
 			cgit_log_link("[next]", NULL, NULL, ctx.qry.head,
-				      ctx.qry.sha1, ctx.qry.path,
+				      ctx.qry.sha1, ctx.qry.vpath,
 				      ofs + cnt, ctx.qry.grep,
 				      ctx.qry.search, ctx.qry.showmsg);
 		}
 		html("</div>");
 	} else if ((commit = get_revision(&rev)) != NULL) {
 		html("<tr class='nohover'><td colspan='3'>");
-		cgit_log_link("[...]", NULL, NULL, ctx.qry.head, NULL, NULL, 0,
-			      NULL, NULL, ctx.qry.showmsg);
+		cgit_log_link("[...]", NULL, NULL, ctx.qry.head, NULL,
+			      ctx.qry.vpath, 0, NULL, NULL, ctx.qry.showmsg);
 		html("</td></tr>\n");
 	}
 }
diff --git a/ui-patch.c b/ui-patch.c
index 2a8f7a5..25dc9fe 100644
--- a/ui-patch.c
+++ b/ui-patch.c
@@ -77,7 +77,7 @@ static void filepair_cb(struct diff_filepair *pair)
 		html("Binary files differ\n");
 }
 
-void cgit_print_patch(char *hex)
+void cgit_print_patch(char *hex, const char *prefix)
 {
 	struct commit *commit;
 	struct commitinfo *info;
@@ -122,7 +122,9 @@ void cgit_print_patch(char *hex)
 			html("\n");
 	}
 	html("---\n");
-	cgit_diff_tree(old_sha1, sha1, filepair_cb, NULL);
+	if (prefix)
+		htmlf("(limited to '%s')\n\n", prefix);
+	cgit_diff_tree(old_sha1, sha1, filepair_cb, prefix);
 	html("--\n");
 	htmlf("cgit %s\n", CGIT_VERSION);
 	cgit_free_commitinfo(info);
diff --git a/ui-patch.h b/ui-patch.h
index 9f68212..1641cea 100644
--- a/ui-patch.h
+++ b/ui-patch.h
@@ -1,6 +1,6 @@
 #ifndef UI_PATCH_H
 #define UI_PATCH_H
 
-extern void cgit_print_patch(char *hex);
+extern void cgit_print_patch(char *hex, const char *prefix);
 
 #endif /* UI_PATCH_H */
diff --git a/ui-refs.c b/ui-refs.c
index 98738db..94ff6be 100644
--- a/ui-refs.c
+++ b/ui-refs.c
@@ -74,7 +74,7 @@ static int print_branch(struct refinfo *ref)
 	html("</td><td>");
 
 	if (ref->object->type == OBJ_COMMIT) {
-		cgit_commit_link(info->subject, NULL, NULL, name, NULL, 0);
+		cgit_commit_link(info->subject, NULL, NULL, name, NULL, NULL, 0);
 		html("</td><td>");
 		html_txt(info->author);
 		html("</td><td colspan='2'>");
diff --git a/ui-shared.c b/ui-shared.c
index 8827fff..e991799 100644
--- a/ui-shared.c
+++ b/ui-shared.c
@@ -27,7 +27,7 @@ static char *http_date(time_t t)
 		   tm->tm_hour, tm->tm_min, tm->tm_sec);
 }
 
-void cgit_print_error(char *msg)
+void cgit_print_error(const char *msg)
 {
 	html("<div class='error'>");
 	html_txt(msg);
@@ -133,7 +133,7 @@ char *cgit_currurl()
 		return fmt("%s/", ctx.cfg.virtual_root);
 }
 
-static void site_url(char *page, char *search, int ofs)
+static void site_url(const char *page, const char *search, int ofs)
 {
 	char *delim = "?";
 
@@ -160,8 +160,8 @@ static void site_url(char *page, char *search, int ofs)
 	}
 }
 
-static void site_link(char *page, char *name, char *title, char *class,
-		      char *search, int ofs)
+static void site_link(const char *page, const char *name, const char *title,
+		      const char *class, const char *search, int ofs)
 {
 	html("<a");
 	if (title) {
@@ -181,14 +181,14 @@ static void site_link(char *page, char *name, char *title, char *class,
 	html("</a>");
 }
 
-void cgit_index_link(char *name, char *title, char *class, char *pattern,
-		     int ofs)
+void cgit_index_link(const char *name, const char *title, const char *class,
+		     const char *pattern, int ofs)
 {
 	site_link(NULL, name, title, class, pattern, ofs);
 }
 
-static char *repolink(char *title, char *class, char *page, char *head,
-		      char *path)
+static char *repolink(const char *title, const char *class, const char *page,
+		      const char *head, const char *path)
 {
 	char *delim = "?";
 
@@ -240,8 +240,9 @@ static char *repolink(char *title, char *class, char *page, char *head,
 	return fmt("%s", delim);
 }
 
-static void reporevlink(char *page, char *name, char *title, char *class,
-			char *head, char *rev, char *path)
+static void reporevlink(const char *page, const char *name, const char *title,
+			const char *class, const char *head, const char *rev,
+			const char *path)
 {
 	char *delim;
 
@@ -256,32 +257,33 @@ static void reporevlink(char *page, char *name, char *title, char *class,
 	html("</a>");
 }
 
-void cgit_summary_link(char *name, char *title, char *class, char *head)
+void cgit_summary_link(const char *name, const char *title, const char *class,
+		       const char *head)
 {
 	reporevlink(NULL, name, title, class, head, NULL, NULL);
 }
 
-void cgit_tag_link(char *name, char *title, char *class, char *head,
-		   char *rev)
+void cgit_tag_link(const char *name, const char *title, const char *class,
+		   const char *head, const char *rev)
 {
 	reporevlink("tag", name, title, class, head, rev, NULL);
 }
 
-void cgit_tree_link(char *name, char *title, char *class, char *head,
-		    char *rev, char *path)
+void cgit_tree_link(const char *name, const char *title, const char *class,
+		    const char *head, const char *rev, const char *path)
 {
 	reporevlink("tree", name, title, class, head, rev, path);
 }
 
-void cgit_plain_link(char *name, char *title, char *class, char *head,
-		     char *rev, char *path)
+void cgit_plain_link(const char *name, const char *title, const char *class,
+		     const char *head, const char *rev, const char *path)
 {
 	reporevlink("plain", name, title, class, head, rev, path);
 }
 
-void cgit_log_link(char *name, char *title, char *class, char *head,
-		   char *rev, char *path, int ofs, char *grep, char *pattern,
-		   int showmsg)
+void cgit_log_link(const char *name, const char *title, const char *class,
+		   const char *head, const char *rev, const char *path,
+		   int ofs, const char *grep, const char *pattern, int showmsg)
 {
 	char *delim;
 
@@ -316,8 +318,9 @@ void cgit_log_link(char *name, char *title, char *class, char *head,
 	html("</a>");
 }
 
-void cgit_commit_link(char *name, char *title, char *class, char *head,
-		      char *rev, int toggle_ssdiff)
+void cgit_commit_link(char *name, const char *title, const char *class,
+		      const char *head, const char *rev, const char *path,
+		      int toggle_ssdiff)
 {
 	if (strlen(name) > ctx.cfg.max_msg_len && ctx.cfg.max_msg_len >= 15) {
 		name[ctx.cfg.max_msg_len] = '\0';
@@ -328,7 +331,7 @@ void cgit_commit_link(char *name, char *title, char *class, char *head,
 
 	char *delim;
 
-	delim = repolink(title, class, "commit", head, NULL);
+	delim = repolink(title, class, "commit", head, path);
 	if (rev && strcmp(rev, ctx.qry.head)) {
 		html(delim);
 		html("id=");
@@ -344,21 +347,22 @@ void cgit_commit_link(char *name, char *title, char *class, char *head,
 	html("</a>");
 }
 
-void cgit_refs_link(char *name, char *title, char *class, char *head,
-		    char *rev, char *path)
+void cgit_refs_link(const char *name, const char *title, const char *class,
+		    const char *head, const char *rev, const char *path)
 {
 	reporevlink("refs", name, title, class, head, rev, path);
 }
 
-void cgit_snapshot_link(char *name, char *title, char *class, char *head,
-			char *rev, char *archivename)
+void cgit_snapshot_link(const char *name, const char *title, const char *class,
+			const char *head, const char *rev,
+			const char *archivename)
 {
 	reporevlink("snapshot", name, title, class, head, rev, archivename);
 }
 
-void cgit_diff_link(char *name, char *title, char *class, char *head,
-		    char *new_rev, char *old_rev, char *path,
-		    int toggle_ssdiff)
+void cgit_diff_link(const char *name, const char *title, const char *class,
+		    const char *head, const char *new_rev, const char *old_rev,
+		    const char *path, int toggle_ssdiff)
 {
 	char *delim;
 
@@ -384,18 +388,76 @@ void cgit_diff_link(char *name, char *title, char *class, char *head,
 	html("</a>");
 }
 
-void cgit_patch_link(char *name, char *title, char *class, char *head,
-		     char *rev)
+void cgit_patch_link(const char *name, const char *title, const char *class,
+		     const char *head, const char *rev, const char *path)
 {
-	reporevlink("patch", name, title, class, head, rev, NULL);
+	reporevlink("patch", name, title, class, head, rev, path);
 }
 
-void cgit_stats_link(char *name, char *title, char *class, char *head,
-		     char *path)
+void cgit_stats_link(const char *name, const char *title, const char *class,
+		     const char *head, const char *path)
 {
 	reporevlink("stats", name, title, class, head, NULL, path);
 }
 
+void cgit_self_link(char *name, const char *title, const char *class,
+		    struct cgit_context *ctx)
+{
+	if (!strcmp(ctx->qry.page, "repolist"))
+		return cgit_index_link(name, title, class, ctx->qry.search,
+				       ctx->qry.ofs);
+	else if (!strcmp(ctx->qry.page, "summary"))
+		return cgit_summary_link(name, title, class, ctx->qry.head);
+	else if (!strcmp(ctx->qry.page, "tag"))
+		return cgit_tag_link(name, title, class, ctx->qry.head,
+				     ctx->qry.has_sha1 ? ctx->qry.sha1 : NULL);
+	else if (!strcmp(ctx->qry.page, "tree"))
+		return cgit_tree_link(name, title, class, ctx->qry.head,
+				      ctx->qry.has_sha1 ? ctx->qry.sha1 : NULL,
+				      ctx->qry.path);
+	else if (!strcmp(ctx->qry.page, "plain"))
+		return cgit_plain_link(name, title, class, ctx->qry.head,
+				      ctx->qry.has_sha1 ? ctx->qry.sha1 : NULL,
+				      ctx->qry.path);
+	else if (!strcmp(ctx->qry.page, "log"))
+		return cgit_log_link(name, title, class, ctx->qry.head,
+				      ctx->qry.has_sha1 ? ctx->qry.sha1 : NULL,
+				      ctx->qry.path, ctx->qry.ofs,
+				      ctx->qry.grep, ctx->qry.search,
+				      ctx->qry.showmsg);
+	else if (!strcmp(ctx->qry.page, "commit"))
+		return cgit_commit_link(name, title, class, ctx->qry.head,
+				      ctx->qry.has_sha1 ? ctx->qry.sha1 : NULL,
+				      ctx->qry.path, 0);
+	else if (!strcmp(ctx->qry.page, "patch"))
+		return cgit_patch_link(name, title, class, ctx->qry.head,
+				      ctx->qry.has_sha1 ? ctx->qry.sha1 : NULL,
+				      ctx->qry.path);
+	else if (!strcmp(ctx->qry.page, "refs"))
+		return cgit_refs_link(name, title, class, ctx->qry.head,
+				      ctx->qry.has_sha1 ? ctx->qry.sha1 : NULL,
+				      ctx->qry.path);
+	else if (!strcmp(ctx->qry.page, "snapshot"))
+		return cgit_snapshot_link(name, title, class, ctx->qry.head,
+				      ctx->qry.has_sha1 ? ctx->qry.sha1 : NULL,
+				      ctx->qry.path);
+	else if (!strcmp(ctx->qry.page, "diff"))
+		return cgit_diff_link(name, title, class, ctx->qry.head,
+				      ctx->qry.sha1, ctx->qry.sha2,
+				      ctx->qry.path, 0);
+	else if (!strcmp(ctx->qry.page, "stats"))
+		return cgit_stats_link(name, title, class, ctx->qry.head,
+				      ctx->qry.path);
+
+	/* Don't known how to make link for this page */
+	repolink(title, class, ctx->qry.page, ctx->qry.head, ctx->qry.path);
+	html("><!-- cgit_self_link() doesn't know how to make link for page '");
+	html_txt(ctx->qry.page);
+	html("' -->");
+	html_txt(name);
+	html("</a>");
+}
+
 void cgit_object_link(struct object *obj)
 {
 	char *page, *shortrev, *fullrev, *name;
@@ -405,7 +467,7 @@ void cgit_object_link(struct object *obj)
 	shortrev[10] = '\0';
 	if (obj->type == OBJ_COMMIT) {
                 cgit_commit_link(fmt("commit %s...", shortrev), NULL, NULL,
-				 ctx.qry.head, fullrev, 0);
+				 ctx.qry.head, fullrev, NULL, 0);
 		return;
 	} else if (obj->type == OBJ_TREE)
 		page = "tree";
@@ -417,7 +479,7 @@ void cgit_object_link(struct object *obj)
 	reporevlink(page, name, NULL, NULL, ctx.qry.head, fullrev, NULL);
 }
 
-void cgit_print_date(time_t secs, char *format, int local_time)
+void cgit_print_date(time_t secs, const char *format, int local_time)
 {
 	char buf[64];
 	struct tm *time;
@@ -432,7 +494,7 @@ void cgit_print_date(time_t secs, char *format, int local_time)
 	html_txt(buf);
 }
 
-void cgit_print_age(time_t t, time_t max_relative, char *format)
+void cgit_print_age(time_t t, time_t max_relative, const char *format)
 {
 	time_t now, secs;
 
@@ -531,7 +593,7 @@ void cgit_print_docstart(struct cgit_context *ctx)
 		html("<link rel='alternate' title='Atom feed' href='");
 		html(cgit_httpscheme());
 		html_attr(cgit_hosturl());
-		html_attr(cgit_fileurl(ctx->repo->url, "atom", ctx->qry.path,
+		html_attr(cgit_fileurl(ctx->repo->url, "atom", ctx->qry.vpath,
 				       fmt("h=%s", ctx->qry.head)));
 		html("' type='application/atom+xml'/>\n");
 	}
@@ -611,14 +673,15 @@ int print_archive_ref(const char *refname, const unsigned char *sha1,
 	return 0;
 }
 
-void cgit_add_hidden_formfields(int incl_head, int incl_search, char *page)
+void cgit_add_hidden_formfields(int incl_head, int incl_search,
+				const char *page)
 {
 	char *url;
 
 	if (!ctx.cfg.virtual_root) {
 		url = fmt("%s/%s", ctx.qry.repo, page);
-		if (ctx.qry.path)
-			url = fmt("%s/%s", url, ctx.qry.path);
+		if (ctx.qry.vpath)
+			url = fmt("%s/%s", url, ctx.qry.vpath);
 		html_hidden("url", url);
 	}
 
@@ -641,11 +704,30 @@ void cgit_add_hidden_formfields(int incl_head, int incl_search, char *page)
 	}
 }
 
-const char *fallback_cmd = "repolist";
+static const char *hc(struct cgit_context *ctx, const char *page)
+{
+	return strcmp(ctx->qry.page, page) ? NULL : "active";
+}
 
-char *hc(struct cgit_cmd *cmd, const char *page)
+static void cgit_print_path_crumbs(struct cgit_context *ctx, char *path)
 {
-	return (strcmp(cmd ? cmd->name : fallback_cmd, page) ? NULL : "active");
+	char *old_path = ctx->qry.path;
+	char *p = path, *q, *end = path + strlen(path);
+
+	ctx->qry.path = NULL;
+	cgit_self_link("root", NULL, NULL, ctx);
+	ctx->qry.path = p = path;
+	while (p < end) {
+		if (!(q = strchr(p, '/')))
+			q = end;
+		*q = '\0';
+		html_txt("/");
+		cgit_self_link(p, NULL, NULL, ctx);
+		if (q < end)
+			*q = '/';
+		p = q + 1;
+	}
+	ctx->qry.path = old_path;
 }
 
 static void print_header(struct cgit_context *ctx)
@@ -697,41 +779,37 @@ static void print_header(struct cgit_context *ctx)
 
 void cgit_print_pageheader(struct cgit_context *ctx)
 {
-	struct cgit_cmd *cmd = cgit_get_cmd(ctx);
-
-	if (!cmd && ctx->repo)
-		fallback_cmd = "summary";
-
 	html("<div id='cgit'>");
 	if (!ctx->cfg.noheader)
 		print_header(ctx);
 
 	html("<table class='tabs'><tr><td>\n");
 	if (ctx->repo) {
-		cgit_summary_link("summary", NULL, hc(cmd, "summary"),
+		cgit_summary_link("summary", NULL, hc(ctx, "summary"),
 				  ctx->qry.head);
-		cgit_refs_link("refs", NULL, hc(cmd, "refs"), ctx->qry.head,
-			       ctx->qry.sha1, NULL);
-		cgit_log_link("log", NULL, hc(cmd, "log"), ctx->qry.head,
-			      NULL, NULL, 0, NULL, NULL, ctx->qry.showmsg);
-		cgit_tree_link("tree", NULL, hc(cmd, "tree"), ctx->qry.head,
+		cgit_refs_link("refs", NULL, hc(ctx, "refs"), ctx->qry.head,
 			       ctx->qry.sha1, NULL);
-		cgit_commit_link("commit", NULL, hc(cmd, "commit"),
-				 ctx->qry.head, ctx->qry.sha1, 0);
-		cgit_diff_link("diff", NULL, hc(cmd, "diff"), ctx->qry.head,
-			       ctx->qry.sha1, ctx->qry.sha2, NULL, 0);
+		cgit_log_link("log", NULL, hc(ctx, "log"), ctx->qry.head,
+			      NULL, ctx->qry.vpath, 0, NULL, NULL,
+			      ctx->qry.showmsg);
+		cgit_tree_link("tree", NULL, hc(ctx, "tree"), ctx->qry.head,
+			       ctx->qry.sha1, ctx->qry.vpath);
+		cgit_commit_link("commit", NULL, hc(ctx, "commit"),
+				 ctx->qry.head, ctx->qry.sha1, ctx->qry.vpath, 0);
+		cgit_diff_link("diff", NULL, hc(ctx, "diff"), ctx->qry.head,
+			       ctx->qry.sha1, ctx->qry.sha2, ctx->qry.vpath, 0);
 		if (ctx->repo->max_stats)
-			cgit_stats_link("stats", NULL, hc(cmd, "stats"),
-					ctx->qry.head, NULL);
+			cgit_stats_link("stats", NULL, hc(ctx, "stats"),
+					ctx->qry.head, ctx->qry.vpath);
 		if (ctx->repo->readme)
 			reporevlink("about", "about", NULL,
-				    hc(cmd, "about"), ctx->qry.head, NULL,
+				    hc(ctx, "about"), ctx->qry.head, NULL,
 				    NULL);
 		html("</td><td class='form'>");
 		html("<form class='right' method='get' action='");
 		if (ctx->cfg.virtual_root)
 			html_url_path(cgit_fileurl(ctx->qry.repo, "log",
-						   ctx->qry.path, NULL));
+						   ctx->qry.vpath, NULL));
 		html("'>\n");
 		cgit_add_hidden_formfields(1, 0, "log");
 		html("<select name='qt'>\n");
@@ -745,9 +823,9 @@ void cgit_print_pageheader(struct cgit_context *ctx)
 		html("<input type='submit' value='search'/>\n");
 		html("</form>\n");
 	} else {
-		site_link(NULL, "index", NULL, hc(cmd, "repolist"), NULL, 0);
+		site_link(NULL, "index", NULL, hc(ctx, "repolist"), NULL, 0);
 		if (ctx->cfg.root_readme)
-			site_link("about", "about", NULL, hc(cmd, "about"),
+			site_link("about", "about", NULL, hc(ctx, "about"),
 				  NULL, 0);
 		html("</td><td class='form'>");
 		html("<form method='get' action='");
@@ -760,6 +838,12 @@ void cgit_print_pageheader(struct cgit_context *ctx)
 		html("</form>");
 	}
 	html("</td></tr></table>\n");
+	if (ctx->qry.vpath) {
+		html("<div class='path'>");
+		html("path: ");
+		cgit_print_path_crumbs(ctx, ctx->qry.vpath);
+		html("</div>");
+	}
 	html("<div class='content'>");
 }
 
diff --git a/ui-shared.h b/ui-shared.h
index 9ebc1f9..3cc1258 100644
--- a/ui-shared.h
+++ b/ui-shared.h
@@ -10,36 +10,50 @@ extern char *cgit_fileurl(const char *reponame, const char *pagename,
 extern char *cgit_pageurl(const char *reponame, const char *pagename,
 			  const char *query);
 
-extern void cgit_index_link(char *name, char *title, char *class,
-			    char *pattern, int ofs);
-extern void cgit_summary_link(char *name, char *title, char *class, char *head);
-extern void cgit_tag_link(char *name, char *title, char *class, char *head,
-			  char *rev);
-extern void cgit_tree_link(char *name, char *title, char *class, char *head,
-			   char *rev, char *path);
-extern void cgit_plain_link(char *name, char *title, char *class, char *head,
-			    char *rev, char *path);
-extern void cgit_log_link(char *name, char *title, char *class, char *head,
-			  char *rev, char *path, int ofs, char *grep,
-			  char *pattern, int showmsg);
-extern void cgit_commit_link(char *name, char *title, char *class, char *head,
-			     char *rev, int toggle_ssdiff);
-extern void cgit_patch_link(char *name, char *title, char *class, char *head,
-			    char *rev);
-extern void cgit_refs_link(char *name, char *title, char *class, char *head,
-			   char *rev, char *path);
-extern void cgit_snapshot_link(char *name, char *title, char *class,
-			       char *head, char *rev, char *archivename);
-extern void cgit_diff_link(char *name, char *title, char *class, char *head,
-			   char *new_rev, char *old_rev, char *path,
-			   int toggle_ssdiff);
-extern void cgit_stats_link(char *name, char *title, char *class, char *head,
-			    char *path);
+extern void cgit_index_link(const char *name, const char *title,
+			    const char *class, const char *pattern, int ofs);
+extern void cgit_summary_link(const char *name, const char *title,
+			      const char *class, const char *head);
+extern void cgit_tag_link(const char *name, const char *title,
+			  const char *class, const char *head,
+			  const char *rev);
+extern void cgit_tree_link(const char *name, const char *title,
+			   const char *class, const char *head,
+			   const char *rev, const char *path);
+extern void cgit_plain_link(const char *name, const char *title,
+			    const char *class, const char *head,
+			    const char *rev, const char *path);
+extern void cgit_log_link(const char *name, const char *title,
+			  const char *class, const char *head, const char *rev,
+			  const char *path, int ofs, const char *grep,
+			  const char *pattern, int showmsg);
+extern void cgit_commit_link(char *name, const char *title,
+			     const char *class, const char *head,
+			     const char *rev, const char *path,
+			     int toggle_ssdiff);
+extern void cgit_patch_link(const char *name, const char *title,
+			    const char *class, const char *head,
+			    const char *rev, const char *path);
+extern void cgit_refs_link(const char *name, const char *title,
+			   const char *class, const char *head,
+			   const char *rev, const char *path);
+extern void cgit_snapshot_link(const char *name, const char *title,
+			       const char *class, const char *head,
+			       const char *rev, const char *archivename);
+extern void cgit_diff_link(const char *name, const char *title,
+			   const char *class, const char *head,
+			   const char *new_rev, const char *old_rev,
+			   const char *path, int toggle_ssdiff);
+extern void cgit_stats_link(const char *name, const char *title,
+			    const char *class, const char *head,
+			    const char *path);
+extern void cgit_self_link(char *name, const char *title,
+			   const char *class, struct cgit_context *ctx);
 extern void cgit_object_link(struct object *obj);
 
-extern void cgit_print_error(char *msg);
-extern void cgit_print_date(time_t secs, char *format, int local_time);
-extern void cgit_print_age(time_t t, time_t max_relative, char *format);
+extern void cgit_print_error(const char *msg);
+extern void cgit_print_date(time_t secs, const char *format, int local_time);
+extern void cgit_print_age(time_t t, time_t max_relative, const char *format);
 extern void cgit_print_http_headers(struct cgit_context *ctx);
 extern void cgit_print_docstart(struct cgit_context *ctx);
 extern void cgit_print_docend();
@@ -48,5 +62,5 @@ extern void cgit_print_filemode(unsigned short mode);
 extern void cgit_print_snapshot_links(const char *repo, const char *head,
 				      const char *hex, int snapshots);
 extern void cgit_add_hidden_formfields(int incl_head, int incl_search,
-				       char *page);
+				       const char *page);
 #endif /* UI_SHARED_H */
diff --git a/ui-tree.c b/ui-tree.c
index 0ee38f2..75ec9cb 100644
--- a/ui-tree.c
+++ b/ui-tree.c
@@ -102,10 +102,10 @@ static void print_object(const unsigned char *sha1, char *path, const char *base
 		return;
 	}
 
-	html(" (");
+	htmlf("blob: %s (", sha1_to_hex(sha1));
 	cgit_plain_link("plain", NULL, NULL, ctx.qry.head,
 		        curr_rev, path);
-	htmlf(")<br/>blob: %s\n", sha1_to_hex(sha1));
+	html(")\n");
 
 	if (ctx.cfg.max_blob_size && size / 1024 > ctx.cfg.max_blob_size) {
 		htmlf("<div class='error'>blob size (%dKB) exceeds display size limit (%dKB).</div>",
@@ -225,17 +225,10 @@ static int walk_tree(const unsigned char *sha1, const char *base, int baselen,
 {
 	static int state;
 	static char buffer[PATH_MAX];
-	char *url;
 
 	if (state == 0) {
 		memcpy(buffer, base, baselen);
 		strcpy(buffer+baselen, pathname);
-		url = cgit_pageurl(ctx.qry.repo, "tree",
-				   fmt("h=%s&amp;path=%s", curr_rev, buffer));
-		html("/");
-		cgit_tree_link(xstrdup(pathname), NULL, NULL, ctx.qry.head,
-			       curr_rev, buffer);
-
 		if (strcmp(match_path, buffer))
 			return READ_TREE_RECURSIVE;
 
@@ -278,10 +271,6 @@ void cgit_print_tree(const char *rev, char *path)
 		return;
 	}
 
-	html("path: <a href='");
-	html_attr(cgit_pageurl(ctx.qry.repo, "tree", fmt("h=%s", rev)));
-	html("'>root</a>");
-
 	if (path == NULL) {
 		ls_tree(commit->tree->object.sha1, NULL);
 		return;
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-11-23 08:32:54 +0000